See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
27°
Partly Cloudy
Feels Like: 31°
Min: 24°
Max: 30°
The next few hours will be humid and mostly cloudy, with today reaching 30°C and dropping to 26°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:14
Sunrise
18:22
Sunset
Moon
Waxing Crescent
09:45
Moonrise
20:55
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Siu Hei.
Resources
UV Index
Humidity
Weather in Siu Hei today, September 15, 2026
Siu Hei starts September 15, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning looks comparatively open, with cloud near 55% around 08:00. Early outdoor plans have a better chance of staying dry and bright.
The temperature range runs from about 24°C up to 30°C. Moisture in the air spans 71%-91%, with the highest values around 08:00. Expect gentle winds, highest near 23:00 at 4.0 km/h.
Expect the wet theme to continue later, as rain odds reach 80% near 12:00. Cloud amounts hold near 60% around 20:00. Expect visibility near 16.1 km, with poorer spells close to 15.7 km. Expect sunrise at 06:14, sunset at 18:22, and 12 hours 7 minutes of sunlight today overall.
Taken together, Siu Hei looks wet enough on September 15, 2026 that flexible outdoor plans work best, with temperatures peaking near 30°C.
Frequently asked questions about weather in Siu Hei
How warm does it get in Siu Hei?
The warmest month in Siu Hei is July, with average high temperatures of 31°C. The average temperature during this period is around 29°C.
How cold does it get in Siu Hei?
The coldest month in Siu Hei is January, with average low temperatures of 15°C. The average temperature during this period is around 17°C.
What is the wettest time of year in Siu Hei?
The wettest month in Siu Hei is August, with an average of 345mm of precipitation.
What is the driest time of year in Siu Hei?
The driest month in Siu Hei is December, with an average of 16mm of precipitation.